A+ Spelling vs CloudLabs Amine Synthesis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A+ Spelling
Practice spelling with custom lists or pre-made ones. Resume interrupted tests and focus on missed words. Record your own words and share lists with others.
- Customizable spelling lists
- Predefined word lists
- Resume interrupted tests
- Track missed words
- Record and share custom words
- Share lists with friends
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A+ Spelling provides an easy way to practice weekly spelling lists or brush up using predefined spelling lists. If a test is Interrupted, it can be resumed at a later time. A list of words missed on previous tests is available to help focus on more troublesome words. Record your own words, create word lists and share with friends and classmates. A large selection of pre-recorded words is available for download.
CloudLabs Amine Synthesis
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In this practice it is possible to carry out the synthesis of 4-nitroaniline used as a reagent in the determination of the Kamlet-Taft parameters of solvents. To carry out the synthesis, sodium hydroxide in ethanol, p-dinitrobenzene and solid sulfur are available. The simulator recreates a chemistry laboratory with a reaction balloon, a condenser, refrigeration hoses, a Buchner funnel, filter paper, and a compressor, among other instruments and supplies necessary to carry out the synthesis.
Screenshots
Verdict
The clearest difference is price: CloudLabs Amine Synthesis at Free against A+ Spelling's $0.99. CloudLabs Amine Synthesis also leads on iOS requirement (9.0 vs 15.0). A+ Spelling's advantage is update cadence (every 6 weeks vs every 28 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CloudLabs Amine Synthesis is free to download; A+ Spelling costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
A+ Spelling ships an update every 6 weeks, CloudLabs Amine Synthesis every 28 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | A+ Spelling | CloudLabs Amine Synthesis |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks — better | Every 28 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Joe Blough | Jiovany Orozco |
In-app purchases
A+ Spelling
No in-app purchases
CloudLabs Amine Synthesis
No in-app purchases
Questions
Is A+ Spelling free?
Is CloudLabs Amine Synthesis free?
Do A+ Spelling or CloudLabs Amine Synthesis have ads?
Which is updated more often, A+ Spelling or CloudLabs Amine Synthesis?
Other comparisons
